Implement Health Check Endpoints and Monitoring

[viperman1271]

Description

The application lacks health check endpoints and monitoring capabilities, which are essential for production deployments. Health checks allow infrastructure components (load balancers, orchestrators) to determine if a service is functioning correctly, while monitoring provides visibility into the application's performance and health.

Current Issues

• No health check endpoints for any of the services
• No readiness checks to verify if the service is ready to accept traffic
• No liveness checks to verify if the service is functioning correctly
• No metrics collection for monitoring
• No integration with monitoring systems
• No dashboards for visualizing application health

Impact on Production Readiness

Without health checks and monitoring:

• Infrastructure components cannot determine if services are healthy
• Orchestration systems cannot properly manage service lifecycle
• Operations teams lack visibility into application health
• Performance issues are difficult to identify and diagnose
• Capacity planning becomes challenging

Suggested Solution

• Implement health check endpoints for all services:
  • /health/live for liveness checks
  • /health/ready for readiness checks
  • /health/startup for startup checks
• Add detailed health information including:
  • Database connectivity
  • ZeroMQ connectivity
  • System resources (CPU, memory, disk)
  • Application-specific metrics
• Implement metrics collection using Prometheus or similar
• Create dashboards using Grafana or similar
• Add alerting based on health and metrics
• Document health check endpoints and monitoring setup